The following list of 15 letter words can be used to play Scrabble®, Words with Friends®, Wordle®, and more word games to feed your word game love.
We pull words from the dictionaries associated with each of these games. We also show the number of points you score when using each word in Scrabble® and the words in each section are sorted by Scrabble® score. Get helpful hints or use our cheat dictionary to beat your friends.
15 Letter Words
There are 5,925 fifteen-letter words. Here are the first 500. Click "More" for more 15-letter words.
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- abiogenetically
- aboriginalities
- absorbabilities
- absorbefacients
- absorptiometers
- abstractionisms
- abstractionists
- acanthocephalan
- acceptabilities
- acceptingnesses
- accessarinesses
- accessibilities
- accessorinesses
- accidentalities
- accidentologies
- acclimatisation
- acclimatization
- accommodatingly
- accommodational
- accomplishments
- accountableness
- accountantships
- acculturational
- acetophenetidin
- acetylsalicylic
- achondroplasias
- achondroplastic
- achromaticities
- achromatisation
- achromatization
- acidimetrically
- acknowledgeable
- acknowledgeably
- acknowledgement
- acknowledgments
- acquirabilities
- acquisitiveness
- acrimoniousness
- acroparesthesia
- actinobiologies
- actinochemistry
- actinotherapies
- adaptablenesses
- addictivenesses
- additionalities
- adenocarcinomas
- adenohypophyses
- adenohypophysis
- adenoidectomies
- adiathermancies
- adjustabilities
- administrations
- admirablenesses
- admissibilities
- adrenalectomies
- adsorbabilities
- adventurousness
- adversarinesses
- advisablenesses
- aerodynamically
- aerodynamicists
- aeroelasticians
- aerohydroplanes
- aerolithologies
- aerosolisations
- aerosolizations
- affectabilities
- affectivenesses
- affordabilities
- affranchisem*nt
- aftersensations
- aftertreatments
- agglutinability
- aggrandisem*nts
- aggrandizements
- aggregatenesses
- agranulocytoses
- agranulocytosis
- agreeablenesses
- agribusinessman
- agribusinessmen
- agriculturalist
- airworthinesses
- alcoholisations
- alcoholizations
- alcoholometries
- alexipharmakons
- algorithmically
- alkalinisations
- alkalinizations
- allegoricalness
- allegorisations
- allegorizations
- allelomorphisms
- allergenicities
- allotetraploids
- allotetraploidy
- allotriomorphic
- allowablenesses
- alphabetisation
- alphabetization
- alternativeness
- altitudinarians
- aluminosilicate
- aluminothermies
- amaryllidaceous
- ambassadorships
- ambidexterities
- ambiguousnesses
- ambisexualities
- ambitiousnesses
- aminopeptidases
- aminophenazones
- ammonifications
- amorphousnesses
- amphidiploidies
- amphitheatrical
- amylobarbitones
- anacoluthically
- anacreontically
- anaesthesiology
- anaesthetically
- anagrammatising
- anagrammatizing
- analogousnesses
- analysabilities
- analyzabilities
- anamorphoscopes
- anarchistically
- ancylostomiases
- ancylostomiasis
- androgynophores
- andromedotoxins
- andromonoecious
- andromonoecisms
- anesthetisation
- anesthetization
- anfractuosities
- angustirostrate
- animatronically
- anisotropically
- ankylostomiases
- ankylostomiasis
- annihilationism
- anomalistically
- anomalousnesses
- anonymousnesses
- answerabilities
- antagonisations
- antagonizations
- antaphrodisiacs
- antepenultimate
- anthropobiology
- anthropocentric
- anthropogeneses
- anthropogenesis
- anthropogenetic
- anthropolatries
- anthropological
- anthropologists
- anthropometries
- anthropometrist
- anthropomorphic
- anthropopathies
- anthropopathism
- anthropophagies
- anthropophagite
- anthropophagous
- anthropophobias
- anthropophobics
- anthropophuisms
- anthropopsychic
- anthroposophies
- anthroposophist
- antiabortionist
- antialcoholisms
- antiaphrodisiac
- antiarrhythmics
- anticapitalisms
- anticapitalists
- anticarcinogens
- anticholesterol
- anticholinergic
- antichristianly
- anticlericalism
- anticlimactical
- anticoincidence
- anticolonialism
- anticolonialist
- anticompetitive
- anticonvulsants
- anticonvulsives
- antidepressants
- antiderivatives
- antidevelopment
- antidiarrhoeals
- antieducational
- antiegalitarian
- antifashionable
- antifederalists
- antiferromagnet
- antifilibusters
- antiforeclosure
- antihelminthics
- antihistaminics
- antiliberalisms
- antilibertarian
- antilogarithmic
- antimaterialism
- antimaterialist
- antimetabolites
- antimilitarisms
- antimilitarists
- antimonarchical
- antimonarchists
- antimonopolists
- antinationalist
- antineoplastics
- antinuclearists
- antiodontalgics
- antiperistalses
- antiperistalsis
- antiperistaltic
- antiperspirants
- antiphlogistics
- antip*rnography
- antiprogressive
- antiquarianisms
- antiradicalisms
- antirationalism
- antirationalist
- antirationality
- antirepublicans
- antiretrovirals
- antiromanticism
- antisegregation
- antisentimental
- antiseparatists
- antisepticising
- antisepticizing
- antisexualities
- antishoplifting
- antisocialities
- antispeculation
- antispeculative
- antisyphilitics
- antitheoretical
- antithrombotics
- antitraditional
- antitranspirant
- antitrinitarian
- antituberculous
- antivivisection
- apheliotropisms
- apocalyptically
- apocalypticisms
- apolipoproteins
- apoliticalities
- apophthegmatise
- apophthegmatist
- apophthegmatize
- apothegmatising
- apothegmatizing
- appealabilities
- appealingnesses
- appendicularian
- applicabilities
- apprenticehoods
- apprenticements
- apprenticeships
- approachability
- appropinquating
- appropinquation
- appropinquities
- appropriateness
- approximeetings
- arachnoiditises
- arbitrarinesses
- arboriculturist
- archaebacterium
- archaeobotanies
- archaeobotanist
- archaeometrists
- archaeopteryxes
- archaezoologies
- archeoastronomy
- archeobotanists
- archeologically
- archeomagnetism
- archeozoologies
- archeozoologist
- archgenethliacs
- archidiaconates
- archiepiscopacy
- archiepiscopate
- architecturally
- archpriesthoods
- archpriestships
- argumentatively
- ariboflavinoses
- ariboflavinosis
- aromatherapists
- arrondissem*nts
- arterialisation
- arterialization
- arteriographies
- artificialising
- artificialities
- artificializing
- asclepiadaceous
- assentivenesses
- assertivenesses
- assiduousnesses
- assignabilities
- assimilationism
- assimilationist
- associabilities
- associationisms
- associationists
- associativities
- astrobiologists
- astrodynamicist
- astrogeologists
- astronautically
- astronavigation
- astronavigators
- astrophotograph
- astrophysically
- astrophysicists
- atheroscleroses
- atherosclerosis
- atherosclerotic
- atmospherically
- atrabiliousness
- atrociousnesses
- attainabilities
- attentivenesses
- attitudinarians
- attitudinisings
- attitudinizings
- attributiveness
- audaciousnesses
- audiometrically
- audiometricians
- authentications
- authoritatively
- autobiographers
- autobiographies
- autochthonously
- autocorrelation
- autodestructing
- autodestructive
- autodidacticism
- autographically
- autoinoculation
- autoionisations
- autoionizations
- automatisations
- automatizations
- automorphically
- autoradiographs
- autoradiography
- autoschediastic
- autoschediazing
- autostabilities
- autosuggestions
- autotetraploids
- autotetraploidy
- autotransformer
- autotransfusion
- autotrophically
- availablenesses
- axiomatisations
- axiomatizations
- azidothymidines
- bacchanalianism
- backscatterings
- backscratchings
- bacteriological
- bacteriologists
- bacteriophagies
- bacteriophagous
- balneotherapies
- barbarousnesses
- barefacednesses
- basidiomycetous
- bastardisations
- bastardizations
- bathometrically
- bathymetrically
- batrachophobias
- beardlessnesses
- beauteousnesses
- beautifications
- beautifulnesses
- believabilities
- belongingnesses
- benightednesses
- benzanthracenes
- benzenecarbonyl
- benzodiazepines
- beseemingnesses
- bespottednesses
- bibliographical
- bibliophilistic
- bibliothecaries
- bibliotherapies
- bidialectalisms
- bidirectionally
- bigheadednesses
- bioaccumulating
- bioaccumulation
- bioastronautics
- bioavailability
- biodegradations
- biodestructible
- bioecologically
- bioengineerings
- biogeochemicals
- biogeochemistry
- biogeographical
- bioluminescence
- biomathematical
- biomechanically
- bioprospectings
- biopsychologies
- bioregionalisms
- bioregionalists
- bioremediations
- biorhythmically
- biostatistician
- biostratigraphy
- biosystematists
- biotechnologies
- biotechnologist
- bipartisanships
- bipolarisations
- bipolarizations
- bisphosphonates
- bisymmetrically
- bittersweetness
- bituminisations
- bituminizations
- blackguardliest
- blameablenesses
- blamelessnesses
- blameworthiness
- blasphemousness
- blaxploitations
- bletheranskates
- blockheadedness
- bloodcurdlingly
- bloodguiltiness
- bloodlessnesses
- bloodthirstiest
- bougainvillaeas
- bouleversem*nts
- boundlessnesses
- bounteousnesses
- bountifulnesses
- bourgeoisifying
- boustrophedonic
- bowdlerisations
- bowdlerizations
- brachiocephalic
- brachiosauruses
- brachistochrone
- brachycephalics
- brachycephalies
- brachycephalism
- brachycephalous
- brachydactylies
- brachydactylism
- brachydactylous
- brachydiagonals
- brachypinakoids
- brachytherapies
- brainlessnesses
- brainsicknesses
- braunschweigers
- breakablenesses
- breathabilities
- breatharianisms
- bremsstrahlungs
- brilliantnesses
- brokenheartedly
- bronchiolitises
- bronchodilators
- bronchographies
- bronchoscopical
- bronchoscopists
- brotherlinesses
- bumptiousnesses
- bureaucratising
- bureaucratizing
- businesspersons
- butterflyfishes
- calculabilities
- calendarisation
- calendarization
